Abstract
Young Ficus benjamina L. (weeping fig) plants were grown in perlite under low photon flux density regime in the greenhouse. Influence of seven fertilization levels – ranging from nutrient deficiency to saline conditions – on photosynthetic, morphological and growth characteristics was studied. The compensation point for photosynthetic photon flux density was minimal and the quantum efficiency of photosynthesis was maximal at a fertilization level with an electrical conductivity of 1.75 mS. Dark respiration was not affected by the level of fertilization. Chlorophyll content per unit leaf area increased while stomatal conductance slowly decreased with increasing fertilization level. Growth expressed in terms of either height, total dry weight or total leaf area attained an optimum at 1.75 mS, i.e. at the level where the compensation point for photon flux density and the quantum efficiency of photosynthesis were optimal. Leaf size and visible quality decreased at higher fertilizer levels.
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Claims 7
Claim · model-written summary
The photosynthetic compensation point was minimal at 1.75 mS.
- Taxon
- Ficus benjamina
Ficus benjaminat0 - Treatment
- a fertilization level with an electrical conductivity of 1.75 mSe0
- Outcome
- compensation point for photosynthetic photon flux densitye0
- Direction
- minimale0
- Value
- 1.75 mSe0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“The compensation point for photosynthetic photon flux density was minimal and the quantum efficiency of photosynthesis was maximal at a fertilization level with an electrical conductivity of 1.75 mS”
t0“Ficus benjamina”
Claim · model-written summary
Quantum efficiency was maximal at 1.75 mS.
- Taxon
- Ficus benjaminaFicus benjaminat0
- Treatment
- a fertilization level with an electrical conductivity of 1.75 mSe0
- Outcome
- quantum efficiency of photosynthesise0
- Direction
- maximale0
- Value
- 1.75 mSe0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“The compensation point for photosynthetic photon flux density was minimal and the quantum efficiency of photosynthesis was maximal at a fertilization level with an electrical conductivity of 1.75 mS”
t0“Ficus benjamina”
Claim · model-written summary
Fertilization did not affect dark respiration.
- Taxon
- Ficus benjaminaFicus benjaminat0
- Treatment
- level of fertilizatione0
- Outcome
- Dark respiratione0
- Direction
- not affectede0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Dark respiration was not affected by the level of fertilization.”
t0“Ficus benjamina”
Claim · model-written summary
Leaf chlorophyll content increased with fertilization.
- Taxon
- Ficus benjaminaFicus benjaminat0
- Treatment
- increasing fertilization levele0
- Outcome
- Chlorophyll content per unit leaf areae0
- Direction
- increasede0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Chlorophyll content per unit leaf area increased while stomatal conductance slowly decreased with increasing fertilization level.”
t0“Ficus benjamina”
Claim · model-written summary
Stomatal conductance decreased with fertilization.
- Taxon
- Ficus benjaminaFicus benjaminat0
- Treatment
- increasing fertilization levele0
- Outcome
- stomatal conductancee0
- Direction
- decreasede0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Chlorophyll content per unit leaf area increased while stomatal conductance slowly decreased with increasing fertilization level.”
t0“Ficus benjamina”
Claim · model-written summary
Height, dry weight and leaf area reached an optimum at 1.75 mS.
- Taxon
- Ficus benjaminaFicus benjaminat0
- Treatment
- 1.75 mSe0
- Outcome
- height, total dry weight or total leaf areae0
- Direction
- optimume0
- Value
- 1.75 mSe0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Growth expressed in terms of either height, total dry weight or total leaf area attained an optimum at 1.75 mS”
t0“Ficus benjamina”
Claim · model-written summary
Leaf size and visible quality declined at higher fertilizer levels.
- Taxon
- Ficus benjaminaFicus benjaminat0
- Treatment
- higher fertilizer levelse0
- Outcome
- Leaf size and visible qualitye0
- Direction
- decreasede0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Leaf size and visible quality decreased at higher fertilizer levels.”
t0“Ficus benjamina”
The same questions in other papers
fertilization · physiology: pigments · Ficus benjamina (weeping fig)Results differ
2 papers in the same direction as this paper · 1 in the opposite direction
- positive
- no effect
- positive
Claims are grouped by organism, treatment and what was measured or targeted. A paper counts as positive when any of its claims in the group is positive.